PASS GENARATOR -Code book- is app to make a simple cipher.
the function of this application is the same with this site
"Password Generator Codebook on the web"
http://kashiopea.sakura.ne.jp/codebooken/
1 Easy going pass
Easy-going pass is the way, in which make a code in very easy way.Its just exchanging a charactor to other similar looking charactor. For example "A"to"4" or "s"to"$".In this code you can easily to read the encoded massage without decoding.
2 Caesal cipher(shift cipher)
To make a easy cipher with shifting characters. For example "A"plus"1"="B"
3 Vigenere cipher
Vigeneres code is not difficult.Just add.Add unicode number of plain text to number of keyword text. Then you get the cipher text.
For example A(Unicode65)+t(Unicode116) then you get "μ"(Unicode 181).